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159 lines
4.8 KiB
159 lines
4.8 KiB
/***************************************************************************
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tbarcode2.cpp - description
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-------------------
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begin : Mon Feb 20 2006
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copyright : (C) 2006 by Dominik Seichter
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email : domseichter@web.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "tbarcode2.h"
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#include "barkode.h"
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#include <stdlib.h>
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#include <tqdom.h>
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#include <tqfile.h>
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#include <kprocess.h>
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#include <tdetempfile.h>
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TBarcodeOptions::TBarcodeOptions()
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{
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defaults();
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}
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void TBarcodeOptions::defaults()
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{
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m_escape = false;
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m_above = false;
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m_autocorrect = false;
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m_checksum = 0;
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m_modulewidth = 0.353;
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m_height = 20;
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}
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void TBarcodeOptions::load( const TQDomElement* tag )
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{
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this->setModuleWidth( tag->attribute( "tbarcode.modulewidth", "0.353" ).toDouble() );
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this->setEscape( tag->attribute( "tbarcode.escape", "0" ).toInt() );
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this->setAbove( tag->attribute( "tbarcode.above", "0" ).toInt() );
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this->setAutocorrect( tag->attribute ( "tbarcode.autocorrect", "0" ).toInt() );
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this->setCheckSum( tag->attribute( "tbarcode.checksum", "0" ).toInt() );
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this->setHeight( tag->attribute( "tbarcode.height", "0" ).toInt() );
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}
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void TBarcodeOptions::save( TQDomElement* tag )
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{
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tag->setAttribute( "tbarcode.modulewidth", this->moduleWidth() );
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tag->setAttribute( "tbarcode.escape", this->escape() );
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tag->setAttribute( "tbarcode.above", this->above() );
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tag->setAttribute( "tbarcode.autocorrect", this->autocorrect() );
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tag->setAttribute( "tbarcode.checksum", this->checksum() );
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tag->setAttribute( "tbarcode.height", this->height() );
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}
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const TBarcodeOptions& TBarcodeOptions::operator=( const BarkodeEngineOptions& rhs )
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{
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const TBarcodeOptions* tbarcode = (dynamic_cast<const TBarcodeOptions*>(&rhs));
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this->m_escape = tbarcode->m_escape;
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this->m_above = tbarcode->m_above;
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this->m_autocorrect = tbarcode->m_autocorrect;
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this->m_checksum = tbarcode->m_checksum;
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this->m_modulewidth = tbarcode->m_modulewidth;
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this->m_height = tbarcode->m_height;
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return *this;
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}
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TBarcode2::TBarcode2()
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: PixmapBarcode()
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{
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}
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TBarcode2::~TBarcode2()
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{
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}
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const TBarcode2 & TBarcode2::operator=( const BarkodeEngine & rhs )
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{
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const TBarcode2* barcode = dynamic_cast<const TBarcode2*>(&rhs);
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if( barcode )
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{
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m_options = barcode->m_options;
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}
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return *this;
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}
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bool TBarcode2::createPostscript( char** postscript, long* postscript_size )
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{
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TQString cmd;
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const char* text;
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const TBarcodeOptions* tbarcode = (dynamic_cast<TBarcodeOptions*>(barkode->engine()->options()));
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if( !tbarcode )
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return false;
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if( !barkode->textVisible() )
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text = "hide";
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else if( tbarcode->above() )
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text = "above";
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else
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text = "below";
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cmd = cmd.sprintf( "tbarcode -f PS -b %s -d %s -t %s --translation=%s --autocorrect=%s --modulewidth=%.3f -h %i --checkdigit=%i --72dpiraster\n",
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barkode->type().latin1(), KShellProcess::quote( barkode->parsedValue() ).latin1(),
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text, tbarcode->escape() ? "on" : "off",
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tbarcode->autocorrect() ? "on" : "off",
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tbarcode->moduleWidth(),
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tbarcode->height(),
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tbarcode->checksum() );
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tqDebug( "Cmd = %s", cmd.ascii() );
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if( !readFromPipe( cmd.latin1(), postscript, postscript_size ) )
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return false;
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return true;
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}
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TQRect TBarcode2::bbox( const char* postscript, long postscript_size )
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{
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const char* gs_bbox = "gs -sDEVICE=bbox -sNOPAUSE -q %1 -c showpage quit 2>&1";
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char* buffer = NULL;
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long len = 0;
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TQRect size;
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KTempFile psfile( TQString(), ".ps" );
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psfile.file()->writeBlock( postscript, postscript_size );
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psfile.file()->close();
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if( !readFromPipe( TQString( gs_bbox ).arg( psfile.file()->name() ).latin1(), &buffer, &len ) || !len )
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{
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psfile.unlink();
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return TQRect( 0, 0, 0, 0 );
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}
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else
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psfile.unlink();
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size = PixmapBarcode::bbox( buffer, len );
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free( buffer );
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return size;
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}
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